Population of Saint Clair County, Illinois:
Census 2010 and 2000 Interactive Map, Demographics, Statistics, Graphs, Quick Facts

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Saint Clair County, Illinois - Overview 2010 Census 2000 Census 2000-2010 Change
Counts Percentages Counts Percentages Change Percentages
Total Population
Total Population 270,056 100.00% 256,082 100.00% 13,974 5.46%
 
Population by Race
American Indian and Alaska native alone 652 0.24% 665 0.26% -13 -1.95%
Asian alone 3,276 1.21% 2,322 0.91% 954 41.09%
Black or African American alone 82,302 30.48% 73,666 28.77% 8,636 11.72%
Native Hawaiian and Other Pacific native alone 227 0.08% 116 0.05% 111 95.69%
Some other race alone 3,133 1.16% 2,040 0.80% 1,093 53.58%
Two or more races 6,008 2.22% 3,303 1.29% 2,705 81.90%
White alone 174,458 64.60% 173,970 67.94% 488 0.28%
 
Population by Hispanic or Latino Origin (of any race)
Persons Not of Hispanic or Latino Origin 261,271 96.75% 250,478 97.81% 10,793 4.31%
Persons of Hispanic or Latino Origin 8,785 3.25% 5,604 2.19% 3,181 56.76%
 
Population by Gender
Female 140,080 51.87% 133,768 52.24% 6,312 4.72%
Male 129,976 48.13% 122,314 47.76% 7,662 6.26%
 
Population by Age
Persons 0 to 4 years 18,398 6.81% 17,769 6.94% 629 3.54%
Persons 5 to 17 years 50,190 18.59% 53,156 20.76% -2,966 -5.58%
Persons 18 to 64 years 167,658 62.08% 151,448 59.14% 16,210 10.70%
Persons 65 years and over 33,810 12.52% 33,709 13.16% 101 0.30%
 

Saint Clair County, Illinois Registered Voters - Overview Statistics and Quick Facts

CensusViewer - Graphs & Tables: Race by Age

CensusViewer - Graphs & Tables: Hispanic/Latino Origin

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